Diaspore is a unique gemstone known for its color changing properties. This is because the mineral scatters when it s heated up. However cut disapore was at best an extremely unlikely gemstone until the find of crystals in turkey. The latest new find in the gemstone world is a delicately colored stone with interesting color change properties being promoted under the names zultanite csarite and color change diaspore. The deposit was originally called zultanite gems llc so they originally called the crystal zultanite.
The name diaspore comes from the greek for diaspora which means to scatter or spread a reference to the gemstone s ability to disperse light in all directions. Diaspore gemstones can be large and still visibly flawless. The gem can look like both of these colors at the same time depending what type of light is hitting it. Diaspore as a plausible gemstone has been reported first around 1977 when a large enough crystal was examined at the gem testing laboratory in london. Diaspore is generally a yellowish green color in fluorescent light and it changes to a reddish pink color in incandescent light.
This locality has produced the vast majority of cut diaspore now in existence. Diaspore ˈ d aɪ ə s p ɔː r also known as diasporite empholite kayserite or tanatarite is an aluminium oxide hydroxide mineral α alo oh crystallizing in the orthorhombic system and isomorphous with goethite it occurs sometimes as flattened crystals but usually as lamellar or scaly masses the flattened surface being a direction of perfect cleavage on which the lustre is. Diaspore is a very durable gemstone with a hardness of 6 5 7 on the mohs scale. Turkey was the origin of this color change material. Diaspore comes from the greek word meaning scatter.
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This usually colorless material showed good color change from pale bluish green to pale pinkish brown. In turkey in the 1950 s large diaspore crystals were found in a bauxite deposit. First faceted in the late seventies 1977 zultanite is an extremely rare gemstone that despite its beauty and suitability for jewelry was previously plagued by scant availability. The scientifically recognized mineral name of this gemstone is diaspore. Diaspore cat s eyes do occur but they are rare.Due to the perfect cleavage exhibited on diaspore care must be exercised both when cutting and when wearing it as a ring to prevent it from cleaving. It is also called empholite kayserite or tanatarite and trademarked gem quality stones from turkey are called csarite and zultanite by the gemstone trade. Diaspore crystals from massachusetts were when found apparently suitable for cutting and a few gems may have been cut from the pennsylvania material. Due to the perfect cleavage exhibited on diaspore care must be exercised both when cutting and when wearing it as a ring to prevent it from cleaving. This usually colorless material showed good color change from pale bluish green to pale pinkish brown.
Diaspore crystals from massachusetts were when found apparently suitable for cutting and a few gems may have been cut from the pennsylvania material. This locality has produced the vast majority of cut diaspore now in existence. The name diaspore comes from the greek for diaspora which means to scatter or spread a reference to the gemstone s ability to disperse light in all directions. Diaspore is a unique gemstone known for its color changing properties.
